Sports Edge Model — every game called, every call graded, in public

San Francisco Giants at Pittsburgh Pirates

All San Francisco Giants predictions · All Pittsburgh Pirates predictions

MLB · Wednesday, September 2, 2026 · 6:43 PM · Final: 5-4

The model's call
Pittsburgh Pirates to win
Model confidence 58.3%
Books consensus 58.3%
Result San Francisco Giants won model ✗
Identical on purpose: the model applies no adjustment to the de-vigged consensus of the books and Novig, a no-cut exchange, until a candidate signal proves itself in shadow audit — none has yet. Kalshi and Polymarket below are a comparison, not an input.

Closing moneyline by book

The last price each book posted before first pitch — the prices this call could actually have been bet at. Best on each side is highlighted. In-game odds are deliberately excluded: once the game starts, the price tracks the score, not the matchup.

Book San Francisco GiantsPittsburgh Pirates
BetMGM +125 -155
BetRivers +130 -155
DraftKings +134 -162
ESPN BET +137 -155
Fanatics +130 -155
FanDuel +126 -148
Hard Rock Bet +130 -155
Caesars +143 -153

Spread & total

Not part of the model's call. Collected from every book and graded in public so the prices can be checked — how spreads and totals have graded so far. The percent is what the price itself implies, vig removed.

Spread · closing
Pirates −1.5
priced 40.9% to cover · 8 books
San Francisco Giants covered +1.5
Total · closing
O/U 9
priced 49.1% over · 6 books, 2 on another number
opened 8.5
Push at 9
Spread by book GiantsPirates
BetMGM +1.5 -160 −1.5 +135
BetRivers +1.5 -162 −1.5 +132
DraftKings +1.5 -162 −1.5 +134
ESPN BET +1.5 -165 −1.5 +140
Fanatics +1.5 -165 −1.5 +135
FanDuel +1.5 -160 −1.5 +132
Hard Rock Bet +1.5 -160 −1.5 +135
Caesars +1.5 -160 −1.5 +135
Total by bookOverUnder
BetMGM 9 -105 9 -115
BetRivers 9 -112 9 -129
DraftKings 9 -106 9 -113
ESPN BET 8.5 -135 8.5 +115
Fanatics 9 -110 9 -110
FanDuel 9 +100 9 -122
Hard Rock Bet 8.5 -135 8.5 +115
Caesars 9 -110 9 -110

Prediction markets vs the books

Every venue sells the same thing — a dollar if that side wins — at a different price. Implied cost per venue below; amber = the cheapest way to buy that side at the close.

Venue San Francisco GiantsPittsburgh Pirates
Books consensus fair, de-vigged 41.7% 58.3%
Best book price incl. vig 41.2% 59.7%
Kalshi contract price 41.5% 58.5%
Polymarket contract price 41.5% 58.5%
Markets average 41.5% 58.5%

Contract prices exclude exchange trading fees (Kalshi ~1–2¢ midrange), which narrow small gaps. A venue meaningfully below the books consensus is either a bargain or an early opinion — the graded record decides which.

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